The Button Pack adds 9 additional buttons to the Photo Frame toolbar. The following buttons are included in the package: blur, brightness, contrast, flip, pixelate, rgba, sharpess, smoothness, and vignette.

CE Image is an ExpressionEngine plugin that makes powerful image manipulation easy. You can control how images are cropped, resize images to be constrained by one or both dimensions, apply watermarks at different sizes, round corners, rotate, use stackable dynamic image filters (yeah, like Photoshop filters without Photoshop), manipulate multiple images at one time in HTML content, and more...